55130234 has 4 divisors (see below), whose sum is σ = 82695354. Its totient is φ = 27565116.

The previous prime is 55130227. The next prime is 55130239. The reversal of 55130234 is 43203155.

55130234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 48344209 + 6786025 = 6953^2 + 2605^2 .

It is not an unprimeable number, because it can be changed into a prime (55130239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13782557 + ... + 13782560.

Almost surely, 2^55130234 is an apocalyptic number.

55130234 is a deficient number, since it is larger than the sum of its proper divisors (27565120).

55130234 is a wasteful number, since it uses less digits than its factorization.

55130234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27565119.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 55130234 is about 7424.9736699870. The cubic root of 55130234 is about 380.5951753526.

Adding to 55130234 its reverse (43203155), we get a palindrome (98333389).

The spelling of 55130234 in words is "fifty-five million, one hundred thirty thousand, two hundred thirty-four".